Importing high concentrations of compatible solutes is a strategy cells use to counteract the effects of an environment containing a
a. high salt concentration.
b. high dissolved-oxygen concentration.
c. high water potential.
d. low ionic concentration.
Answer: A
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Chytrids usually develop long branching hyphae that form a visible mycelium on the surface of leaf litter in the soil.
Answer the following statement true (T) or false (F)
What soil component is most important for retaining water in soil for use by plants?
a. sand b. humus
c. clay d. silt e. rock
Why have scientists developed classification systems?
a. To arrange living and dead organisms into groups reflecting their relationships and evolutionary origins. b. To make sense of the past and present diversity of life on Earth. c. To help scientists distinguish two different groups of organisms with the same common name. d. To arrange living and dead organisms into groups that reflect their relationships and evolutionary origins and to make sense of the past and present diversity of life on Earth. e. To arrange living and dead organisms into groups that reflect their relationships and evolutionary origins, to make sense of the past and present diversity of life on Earth, and to help scientists distinguish two different groups of organisms with the same common name.
In the male reproductive system, the vas deferens is connected to the urethra by a short tube called the
____________________. Fill in the blank(s) with the appropriate word(s).